Home / 905,244.92-1,358,121.58-265,563.75

Finding the Fourth Proportional to 905,244.92, 1,358,121.58 and 265,563.75

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Solution

The fourth proportional to 905,244.92, 1,358,121.58 and 265,563.75 is: 398,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,244.92 : 1,358,121.58 = 265,563.75 : x
  2. Step 2: Convert to fraction form
    905,244.92/1,358,121.58 = 265,563.75/x
  3. Step 3: Cross multiply
    905,244.92x = 1,358,121.58 × 265,563.75
  4. Step 4: Simplify right side
    905,244.92x = 360,667,859,076.82
  5. Step 5: Solve for x
    x = 360,667,859,076.82/905,244.92
  6. Step 6: Final answer
    x = 398,420.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.